If you browse or read a lot on the web, we believe you will find Diigo indispensable. Diigo is two services in one... It is a research and collaborative research tool on the one hand, and a knowledge-sharing community and social content site on the other.
Research Binder Projects! 7 topics with Common Core aligned research materials. This is a great semester long project that requires students to think critically and become familiar with the research process! 170 pages! $